<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>Bootstrap 101 Template</title>

    <!-- Bootstrap -->
    <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->
    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->
    <!--[if lt IE 9]>
    <script src="https://cdn.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script>
    <![endif]-->
    <link href="//netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
</head>
<body>
<h1>你好，世界！</h1>

<div class="row">
    <div class="col-xs-6 col-md-3">
        <a href="#" class="thumbnail">
            <img src="星.jpg" alt="...">
        </a>
    </div>
    <div class="col-xs-6 col-md-3">
        <a href="#" class="thumbnail">
            <img src="星.jpg" alt="...">
        </a>
    </div>
    <div class="col-xs-6 col-md-3">
        <a href="#" class="thumbnail">
            <img src="星.jpg" alt="...">
        </a>
    </div>
    <div class="col-xs-6 col-md-3">
        <a href="#" class="thumbnail">
            <img src="星.jpg" alt="...">
        </a>
    </div>
</div>

<h1>自定义样式</h1>
<div class="col-sm-6 col-md-4">
    <div class="row">
        <div class="col-sm-6 col-md-4">
            <div class="thumbnail">
                <img src="..." alt="...">
                <div class="caption">
                    <h3>Thumbnail label</h3>
                    <p>...</p>
                    <p><a href="#" class="btn btn-primary" role="button">Button</a> <a href="#" class="btn btn-default" role="button">Button</a></p>
                </div>
            </div>
        </div>
    </div>
</div>


<h1></h1>

<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
<script src="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/jquery/1.12.4/jquery.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</body>
</html>